TY - JOUR AU - M. A. Miller TI - The focussing of beams of charged particles by high-frequency fields JO - Doklady Akademii Nauk PY - 1958 SP - 478 EP - 480 VL - 119 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_119_3_a20/ LA - ru ID - DAN_1958_119_3_a20 ER -